18997632

素因数分解:

$2^7\times 3^3\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 58752000

約数和(自身を除く): 39754368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 128, 138, 144, 184, 192, 207, 216, 239, 276, 288, 368, 384, 414, 432, 478, 552, 576, 621, 717, 736, 828, 864, 956, 1104, 1152, 1242, 1434, 1472, 1656, 1728, 1912, 2151, 2208, 2484, 2868, 2944, 3312, 3456, 3824, 4302, 4416, 4968, 5497, 5736, 6453, 6624, 7648, 8604, 8832, 9936, 10994, 11472, 12906, 13248, 15296, 16491, 17208, 19872, 21988, 22944, 25812, 26496, 30592, 32982, 34416, 39744, 43976, 45888, 49473, 51624, 65964, 68832, 79488, 87952, 91776, 98946, 103248, 131928, 137664, 148419, 175904, 197892, 206496, 263856, 275328, 296838, 351808, 395784, 412992, 527712, 593676, 703616, 791568, 825984, 1055424, 1187352, 1583136, 2110848, 2374704, 3166272, 4749408, 6332544, 9498816, 18997632]

約数ペア:

[(1, 18997632), (2, 9498816), (3, 6332544), (4, 4749408), (6, 3166272), (8, 2374704), (9, 2110848), (12, 1583136), (16, 1187352), (18, 1055424), (23, 825984), (24, 791568), (27, 703616), (32, 593676), (36, 527712), (46, 412992), (48, 395784), (54, 351808), (64, 296838), (69, 275328), (72, 263856), (92, 206496), (96, 197892), (108, 175904), (128, 148419), (138, 137664), (144, 131928), (184, 103248), (192, 98946), (207, 91776), (216, 87952), (239, 79488), (276, 68832), (288, 65964), (368, 51624), (384, 49473), (414, 45888), (432, 43976), (478, 39744), (552, 34416), (576, 32982), (621, 30592), (717, 26496), (736, 25812), (828, 22944), (864, 21988), (956, 19872), (1104, 17208), (1152, 16491), (1242, 15296), (1434, 13248), (1472, 12906), (1656, 11472), (1728, 10994), (1912, 9936), (2151, 8832), (2208, 8604), (2484, 7648), (2868, 6624), (2944, 6453), (3312, 5736), (3456, 5497), (3824, 4968), (4302, 4416)]